The fearless pirates kept _______ on the waters off the coat of Somalia, from the Gulf of Aden to the Kenya border along the Indian Ocean.
| A．knocking on | B．knocking down |
| C．knocking about | D．knocking at |
Hundreds of people gave their lives in _____ of freedom.
| A．protection | B．guard | C．defense | D．favor |
The Chinese astronauts were so struck by ____ beauty of _____ nature that they took lots of pictures in space.
| A．/; / | B．/; the | C．the; the | D．the; / |
The teacher told his students the sun_____ in the east.
| A．rise | B．rises | C．rose | D．risen |
－My cat is really fat.
－Youhave given her so much food.
| A．wouldn’t | B．shouldn’t | C．couldn’t | D．mustn’t |
We can’t have some students ______ cheating in the exam.
| A．getting away with | B．getting away from | C．get away with | D．get away from |